1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2015 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
5 */
6
7 #include <common.h>
8 #include <dm.h>
9 #include <errno.h>
10 #include <ram.h>
11 #include <asm/global_data.h>
12 #include <asm/test.h>
13
14 DECLARE_GLOBAL_DATA_PTR;
15
sandbox_get_info(struct udevice * dev,struct ram_info * info)16 static int sandbox_get_info(struct udevice *dev, struct ram_info *info)
17 {
18 info->base = 0;
19 info->size = gd->ram_size;
20
21 return 0;
22 }
23
24 static const struct ram_ops sandbox_ram_ops = {
25 .get_info = sandbox_get_info,
26 };
27
28 static const struct udevice_id sandbox_ram_ids[] = {
29 { .compatible = "sandbox,ram" },
30 { }
31 };
32
33 U_BOOT_DRIVER(warm_ram_sandbox) = {
34 .name = "ram_sandbox",
35 .id = UCLASS_RAM,
36 .of_match = sandbox_ram_ids,
37 .ops = &sandbox_ram_ops,
38 };
39